Monthly Archives: April 2017

The main technique to determine the lifting boundary of an airplane is the Wind-up turn (WUT) (with the Split-S being a second option). This is a mandatory item in producing the instantaneous turn rate (ITR) performance of a fighter airplane. … Continue reading →

My first flight on the controls of the ITPS RC-700 aircraft for verification of the flight test instrumentation system and a qualitative evaluation. Benign airplane with good flying qualities, though not a great performer.

It has been more than once that I have been involved in discussions about stall speed testing for Part-23 certification purposes and, as far as I have experienced, opinions seem to split over a certain part of the testing technique. … Continue reading →